5 Things you need to know: Jan. 22

DAYTON, Ohio (WDTN) - 2 NEWS Today has 5 things you need to know for Tuesday, January 22, 2013.

A brutal Mercer County double-homicide will get the attention of the state's top investigators. They will discuss the homicide of Robert Grube and his daughter, Colleen. They were killed outside Ft. Recovery back in November 2011. Today's training starts at 8 a.m. in West Chester.

Fans of former Penn State Football coach Joe Paterno will gather for a candlelight vigil tonight to mark the one year since his death.

Former Cincinnati Bengals cheerleader Sarah Jones who was convicted of having sex with a student faces another legal battle. She is suing a gossip website over lewd comments made about her online before any accusations involving the teenager surfaced.

Federal investigators will conduct more tests today aimed at eventually returning Boeing's grounded Dreamliner 787 to the sky.

Flu shots are back in stock in Greene county, but officials are saving them for kids. The combined health district will hold a flu clinic today, but only kids 6 months to 18-years-old can the flu vaccine at this time.